California Flag:

1. Copy the files prop_flag_sa.yft and prop_flag_sa_s.yft in: x64c.rpf\levels\gta5\props\building\v_rooftop.rpf\

2. Copy the file vb_29_lossantosflag.yft in: x64m.rpf\levels\gta5\_cityw\venice_01\vb_29.rpf\